US Patent: 1,662,598
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| Clutch and clutch-actuating mechanism
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Patentee:
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| Frank H. Bierman (exact or similar names) - Minneapolis, MN |
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Patent Dates:
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| Applied: |
Jan. 15, 1927 |
| Granted: |
Mar. 13, 1928 |
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Patent Pictures:
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From June 1918 Tractor and Engine Review, page 34. |
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Jeff Joslin
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Description: |
| The June 1918 Tractor and Engine Review, page 34, has an illustrated ad from Strite Governor Pulley Co. for their "Bierman's Standard Tractor Clutch". |
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